Home / 1,708.30-2,357.41-1,045.15

Finding the Fourth Proportional to 1,708.30, 2,357.41 and 1,045.15

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Solution

The fourth proportional to 1,708.30, 2,357.41 and 1,045.15 is: 1,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.30 : 2,357.41 = 1,045.15 : x
  2. Step 2: Convert to fraction form
    1,708.30/2,357.41 = 1,045.15/x
  3. Step 3: Cross multiply
    1,708.30x = 2,357.41 × 1,045.15
  4. Step 4: Simplify right side
    1,708.30x = 2,463,847.06
  5. Step 5: Solve for x
    x = 2,463,847.06/1,708.30
  6. Step 6: Final answer
    x = 1,442.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.